/**** 
* Plugins
****/ 
var tween = LK.import("@upit/tween.v1");

/**** 
* Classes
****/ 
var Mouse = Container.expand(function () {
	var self = Container.call(this);
	var mouseGraphics = self.attachAsset('mouse', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.health = 100;
	self.maxHealth = 100;
	self.speed = 1.5 + Math.random() * 1.5; // Random speed between 1.5 and 3
	self.pathIndex = 0;
	self.reward = 10;
	// Create health bar components
	var healthBarBg = self.attachAsset('healthBarBg', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	healthBarBg.x = 0;
	healthBarBg.y = -50;
	var healthBarFill = self.attachAsset('healthBarFill', {
		anchorX: 0,
		anchorY: 0.5
	});
	healthBarFill.x = -35;
	healthBarFill.y = -50;
	self.updateHealthBar = function () {
		var healthPercent = self.health / self.maxHealth;
		healthBarFill.scaleX = healthPercent;
		// Change color based on health
		if (healthPercent > 0.6) {
			healthBarFill.tint = 0x00ff00; // Green
		} else if (healthPercent > 0.3) {
			healthBarFill.tint = 0xffff00; // Yellow
		} else {
			healthBarFill.tint = 0xff0000; // Red
		}
	};
	self.update = function () {
		if (self.pathIndex < gamePath.length) {
			var target = gamePath[self.pathIndex];
			var dx = target.x - self.x;
			var dy = target.y - self.y;
			var distance = Math.sqrt(dx * dx + dy * dy);
			if (distance < 10) {
				self.pathIndex++;
				if (self.pathIndex >= gamePath.length) {
					// Mouse reached the end - damage packet
					packetHealth -= 30; // Increased from 20
					updatePacketDisplay();
					LK.getSound('enemySteal').play();
					if (packetHealth <= 0) {
						LK.showGameOver();
					}
					self.destroy();
					mice.splice(mice.indexOf(self), 1);
					return;
				}
			} else {
				// Flip scaleX based on movement direction like cats
				if (dx > 0) {
					mouseGraphics.scaleX = 1; // Face right
				} else if (dx < 0) {
					mouseGraphics.scaleX = -1; // Face left
				}
				self.x += dx / distance * self.speed;
				self.y += dy / distance * self.speed;
			}
		}
	};
	self.takeDamage = function (damage) {
		self.health -= damage;
		self.updateHealthBar();
		if (self.health <= 0) {
			// Mouse defeated - give reward
			gameGold += self.reward;
			updateGoldDisplay();
			LK.getSound('mouseHit').play();
			self.destroy();
			mice.splice(mice.indexOf(self), 1);
		}
	};
	return self;
});
var Rat = Container.expand(function () {
	var self = Container.call(this);
	var ratGraphics = self.attachAsset('rat', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.health = 200;
	self.maxHealth = 200;
	self.speed = 2.5 + Math.random() * 1.5; // Faster than mice
	self.pathIndex = 0;
	self.reward = 25; // Higher reward
	// Create health bar components
	var healthBarBg = self.attachAsset('healthBarBg', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	healthBarBg.x = 0;
	healthBarBg.y = -60;
	var healthBarFill = self.attachAsset('healthBarFill', {
		anchorX: 0,
		anchorY: 0.5
	});
	healthBarFill.x = -35;
	healthBarFill.y = -60;
	self.updateHealthBar = function () {
		var healthPercent = self.health / self.maxHealth;
		healthBarFill.scaleX = healthPercent;
		// Change color based on health
		if (healthPercent > 0.6) {
			healthBarFill.tint = 0x00ff00; // Green
		} else if (healthPercent > 0.3) {
			healthBarFill.tint = 0xffff00; // Yellow
		} else {
			healthBarFill.tint = 0xff0000; // Red
		}
	};
	self.update = function () {
		if (self.pathIndex < gamePath.length) {
			var target = gamePath[self.pathIndex];
			var dx = target.x - self.x;
			var dy = target.y - self.y;
			var distance = Math.sqrt(dx * dx + dy * dy);
			if (distance < 10) {
				self.pathIndex++;
				if (self.pathIndex >= gamePath.length) {
					// Rat reached the end - damage packet more
					packetHealth -= 60; // Increased from 40
					updatePacketDisplay();
					LK.getSound('enemySteal').play();
					if (packetHealth <= 0) {
						LK.showGameOver();
					}
					self.destroy();
					rats.splice(rats.indexOf(self), 1);
					return;
				}
			} else {
				// Flip scaleX based on movement direction like cats
				if (dx > 0) {
					ratGraphics.scaleX = 1; // Face right
				} else if (dx < 0) {
					ratGraphics.scaleX = -1; // Face left
				}
				self.x += dx / distance * self.speed;
				self.y += dy / distance * self.speed;
			}
		}
	};
	self.takeDamage = function (damage) {
		self.health -= damage;
		self.updateHealthBar();
		if (self.health <= 0) {
			// Rat defeated - give reward
			gameGold += self.reward;
			updateGoldDisplay();
			LK.getSound('mouseHit').play();
			self.destroy();
			rats.splice(rats.indexOf(self), 1);
		}
	};
	return self;
});
var Tower = Container.expand(function (type) {
	var self = Container.call(this);
	var towerGraphics;
	self.type = type || 'tired';
	self.range = 250;
	self.damage = 18; // Reduced from 25
	self.fireRate = 30; // frames between shots (0.5 seconds at 60fps)
	self.lastShot = 0;
	if (self.type === 'tired') {
		towerGraphics = self.attachAsset('tiredCat', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		self.cost = 50;
		self.fireRate = 60; // Slower attack rate for tired cats
	} else if (self.type === 'normal') {
		towerGraphics = self.attachAsset('normalCat', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		self.damage = 28; // Reduced from 40
		self.range = 280;
		self.cost = 250;
		self.fireRate = 30;
	} else if (self.type === 'strong') {
		towerGraphics = self.attachAsset('strongCat', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		self.damage = 35; // Reduced from 50
		self.range = 300;
		self.cost = 100;
		self.fireRate = 30;
	} else if (self.type === 'strongest') {
		towerGraphics = self.attachAsset('strongestCat', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		self.damage = 70; // Reduced from 100
		self.range = 350;
		self.fireRate = 30;
		self.cost = 200;
	} else if (self.type === 'wild') {
		towerGraphics = self.attachAsset('wildCat', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		self.damage = 50;
		self.range = 320;
		self.fireRate = 20; // Faster than other cats
		self.cost = 300;
	} else if (self.type === 'tiger') {
		towerGraphics = self.attachAsset('tiger', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		self.damage = 80;
		self.range = 400;
		self.fireRate = 15; // Very fast attack rate
		self.cost = 500;
	}
	self.update = function () {
		self.lastShot++;
		var target = self.findTarget();
		if (target) {
			var currentFireRate = self.fireRate;
			// Normal cat attacks slowly against mice but normally against rats, tired cat attacks both slowly
			if (self.type === 'normal') {
				if (target.constructor.name === 'Mouse') {
					currentFireRate = 180; // Very slow against mice - 3 seconds between shots
				} else if (target.constructor.name === 'Rat') {
					currentFireRate = 30; // Normal speed against rats
				}
			}
			if (self.lastShot >= currentFireRate) {
				self.shoot(target);
				self.lastShot = 0;
			}
		}
	};
	self.findTarget = function () {
		var closestEnemy = null;
		var closestDistance = self.range;
		// Check mice
		for (var i = 0; i < mice.length; i++) {
			var mouse = mice[i];
			var distance = Math.sqrt(Math.pow(mouse.x - self.x, 2) + Math.pow(mouse.y - self.y, 2));
			if (distance < closestDistance) {
				closestEnemy = mouse;
				closestDistance = distance;
			}
		}
		// Check rats
		for (var i = 0; i < rats.length; i++) {
			var rat = rats[i];
			var distance = Math.sqrt(Math.pow(rat.x - self.x, 2) + Math.pow(rat.y - self.y, 2));
			if (distance < closestDistance) {
				closestEnemy = rat;
				closestDistance = distance;
			}
		}
		return closestEnemy;
	};
	self.shoot = function (target) {
		// Flip scaleX based on enemy position when shooting
		var dx = target.x - self.x;
		var dy = target.y - self.y;
		// Flip horizontally based on enemy position
		var originalScaleX = 1;
		if (dx > 0) {
			originalScaleX = 1; // Face right
			towerGraphics.scaleX = 1;
		} else if (dx < 0) {
			originalScaleX = -1; // Face left
			towerGraphics.scaleX = -1;
		}
		// Instant damage instead of bullets
		target.takeDamage(self.damage);
		LK.getSound('shoot').play();
		LK.getSound('hit').play();
		// Recoil animation
		tween(towerGraphics, {
			scaleX: originalScaleX * 0.8,
			scaleY: 0.8
		}, {
			duration: 100,
			onFinish: function onFinish() {
				tween(towerGraphics, {
					scaleX: originalScaleX,
					scaleY: 1
				}, {
					duration: 100
				});
			}
		});
	};
	self.getSellPrice = function () {
		return Math.floor(self.cost * 0.7); // 70% of original cost
	};
	self.down = function (x, y, obj) {
		if (!gameStarted && !isDragging) {
			// Allow repositioning before game starts
			if (selectedTower) {
				selectedTower.tint = 0xffffff; // Reset previous selection tint
			}
			selectedTower = self;
			self.tint = 0x00ffff; // Cyan tint to show selection
			isDragging = true;
			draggedTower = self;
			// No need to free placement spots since we're using free positioning
		} else if (!isDragging) {
			showSellUI(self);
		}
	};
	return self;
});

/**** 
* Initialize Game
****/ 
// Game state variables
var game = new LK.Game({
	backgroundColor: 0x228B22
});

/**** 
* Game Code
****/ 
// Add background image
var background = game.addChild(LK.getAsset('background', {
	anchorX: 0.5,
	anchorY: 0.5
}));
background.x = 1024; // Center horizontally (2048/2)
background.y = 1366; // Center vertically (2732/2)
// Game assets
// Import tween plugin for animations
// Game state variables
var mice = [];
var rats = [];
var towers = [];
var gameGold = 200;
var packetHealth = 100;
var waveNumber = 1;
var miceSpawned = 0;
var ratsSpawned = 0;
var maxMicePerWave = 5;
var maxRatsPerWave = 0;
var spawnTimer = 0;
var ratSpawnTimer = 0;
var spawnRate = 90; // frames between spawns (reduced from 120)
var ratSpawnRate = 140; // frames between rat spawns (reduced from 180)
var gameStarted = false;
var gameStartTimer = 0;
var isPaused = false;
var pauseTimer = 0;
var pauseText = null;
// Create path for mice - random zigzag movement
var gamePath = [{
	x: 1024,
	y: 50
}, {
	x: 600,
	y: 300
}, {
	x: 1400,
	y: 600
}, {
	x: 400,
	y: 900
}, {
	x: 1600,
	y: 1200
}, {
	x: 800,
	y: 1500
}, {
	x: 1200,
	y: 1800
}, {
	x: 500,
	y: 2100
}, {
	x: 1500,
	y: 2400
}, {
	x: 1024,
	y: 2700
}];
// Draw path
for (var i = 0; i < gamePath.length; i++) {
	var pathSegment = game.addChild(LK.getAsset('path', {
		anchorX: 0.5,
		anchorY: 0.5,
		alpha: 0.5
	}));
	pathSegment.x = gamePath[i].x;
	pathSegment.y = gamePath[i].y;
}
// Create packet of treats at the end
var packet = game.addChild(LK.getAsset('packetTreats', {
	anchorX: 0.5,
	anchorY: 0.5
}));
packet.x = gamePath[gamePath.length - 1].x;
packet.y = gamePath[gamePath.length - 1].y - 200;
// Create placement system - cats can be placed anywhere near the path
var placementSpots = []; // Keep for compatibility but will be used differently
var maxDistanceFromPath = 300; // Maximum distance cats can be placed from path
// Helper function to check if a position is valid for tower placement
function isValidPlacementPosition(x, y) {
	// Check if position is within game bounds
	if (x < 100 || x > 1948 || y < 100 || y > 2632) {
		return false;
	}
	// Check distance from path
	var minDistanceFromPath = Infinity;
	for (var p = 0; p < gamePath.length; p++) {
		var dx = gamePath[p].x - x;
		var dy = gamePath[p].y - y;
		var distance = Math.sqrt(dx * dx + dy * dy);
		if (distance < minDistanceFromPath) {
			minDistanceFromPath = distance;
		}
	}
	// Must be within range of path but not too close (avoid blocking)
	if (minDistanceFromPath > maxDistanceFromPath || minDistanceFromPath < 80) {
		return false;
	}
	// Check if position is too close to existing towers
	for (var i = 0; i < towers.length; i++) {
		var tower = towers[i];
		var dx = tower.x - x;
		var dy = tower.y - y;
		var distance = Math.sqrt(dx * dx + dy * dy);
		if (distance < 120) {
			// Minimum distance between towers
			return false;
		}
	}
	return true;
}
// UI Elements
var goldText = new Text2('Gold: ' + gameGold, {
	size: 60,
	fill: 0xFFD700
});
goldText.anchor.set(0, 0);
goldText.x = 50;
goldText.y = 50;
LK.gui.topLeft.addChild(goldText);
var healthText = new Text2('Packet Health: ' + packetHealth, {
	size: 60,
	fill: 0xFF0000
});
healthText.anchor.set(0.5, 0);
healthText.x = 0;
healthText.y = 50;
LK.gui.top.addChild(healthText);
var waveText = new Text2('Wave: ' + waveNumber, {
	size: 60,
	fill: 0xFFFFFF
});
waveText.anchor.set(1, 0);
waveText.x = 0;
waveText.y = 50;
LK.gui.topRight.addChild(waveText);
// Create start button square
var startButton = LK.getAsset('startButton', {
	anchorX: 0.5,
	anchorY: 0.5,
	alpha: 0
});
startButton.x = 0;
startButton.y = 0;
startButton.interactive = false;
LK.gui.center.addChild(startButton);
// Add tutorial images to start button
var tutorialCat = LK.getAsset('tiredCat', {
	anchorX: 0.5,
	anchorY: 0.5,
	scaleX: 0.8,
	scaleY: 0.8,
	alpha: 0
});
tutorialCat.x = -120;
tutorialCat.y = -20;
startButton.addChild(tutorialCat);
// Add arrow pointing from cat to mouse
var arrow = new Text2('→', {
	size: 60,
	fill: 0xFFFFFF
});
arrow.anchor.set(0.5, 0.5);
arrow.x = 0;
arrow.y = -20;
arrow.alpha = 0;
startButton.addChild(arrow);
// Add mouse image
var tutorialMouse = LK.getAsset('mouse', {
	anchorX: 0.5,
	anchorY: 0.5,
	scaleX: 0.6,
	scaleY: 0.6,
	alpha: 0
});
tutorialMouse.x = 120;
tutorialMouse.y = -20;
startButton.addChild(tutorialMouse);
// Add click handler to start button
startButton.down = function (x, y, obj) {
	if (!gameStarted) {
		gameStarted = true;
		// Hide start button immediately
		startButton.alpha = 0;
		startButton.interactive = false;
		// Hide tutorial images
		tutorialCat.alpha = 0;
		arrow.alpha = 0;
		tutorialMouse.alpha = 0;
	}
};
// Show start button after 10 seconds
LK.setTimeout(function () {
	if (!gameStarted) {
		tween(startButton, {
			alpha: 1
		}, {
			duration: 500
		});
		// Show tutorial images
		tween(tutorialCat, {
			alpha: 1
		}, {
			duration: 500
		});
		tween(arrow, {
			alpha: 1
		}, {
			duration: 500
		});
		tween(tutorialMouse, {
			alpha: 1
		}, {
			duration: 500
		});
		startButton.interactive = true;
	}
}, 10000);
// Tower selection UI
var selectedTowerType = 'normal';
// Create bottom menu background
var menuBackground = LK.getAsset('placementGrid', {
	anchorX: 0.5,
	anchorY: 1,
	scaleX: 20,
	scaleY: 2,
	alpha: 0.8
});
menuBackground.x = 0;
menuBackground.y = 0;
LK.gui.bottom.addChild(menuBackground);
// Create tired cat button with asset
var tiredCatButton = LK.getAsset('tiredCat', {
	anchorX: 0.5,
	anchorY: 0.5,
	scaleX: 0.8,
	scaleY: 0.8
});
tiredCatButton.x = -200;
tiredCatButton.y = -80;
LK.gui.bottom.addChild(tiredCatButton);
// Create price text for tired cat
var tiredCatPrice = new Text2('50g', {
	size: 40,
	fill: 0xFFD700
});
tiredCatPrice.anchor.set(0.5, 0);
tiredCatPrice.x = -200;
tiredCatPrice.y = -40;
LK.gui.bottom.addChild(tiredCatPrice);
// Create normal cat button with asset
var normalCatButton = LK.getAsset('normalCat', {
	anchorX: 0.5,
	anchorY: 0.5,
	scaleX: 0.6,
	scaleY: 0.6
});
normalCatButton.x = 200;
normalCatButton.y = -80;
LK.gui.bottom.addChild(normalCatButton);
// Create price text for normal cat
var normalCatPrice = new Text2('250g', {
	size: 40,
	fill: 0xFFD700
});
normalCatPrice.anchor.set(0.5, 0);
normalCatPrice.x = 200;
normalCatPrice.y = -40;
LK.gui.bottom.addChild(normalCatPrice);
// Create wild cat button with asset
var wildCatButton = LK.getAsset('wildCat', {
	anchorX: 0.5,
	anchorY: 0.5,
	scaleX: 0.7,
	scaleY: 0.7
});
wildCatButton.x = 400;
wildCatButton.y = -80;
LK.gui.bottom.addChild(wildCatButton);
// Create price text for wild cat
var wildCatPrice = new Text2('300g', {
	size: 40,
	fill: 0xFFD700
});
wildCatPrice.anchor.set(0.5, 0);
wildCatPrice.x = 400;
wildCatPrice.y = -40;
LK.gui.bottom.addChild(wildCatPrice);
// Create tiger button with asset
var tigerButton = LK.getAsset('tiger', {
	anchorX: 0.5,
	anchorY: 0.5,
	scaleX: 0.5,
	scaleY: 0.5
});
tigerButton.x = 600;
tigerButton.y = -80;
LK.gui.bottom.addChild(tigerButton);
// Create price text for tiger
var tigerPrice = new Text2('500g', {
	size: 40,
	fill: 0xFFD700
});
tigerPrice.anchor.set(0.5, 0);
tigerPrice.x = 600;
tigerPrice.y = -40;
LK.gui.bottom.addChild(tigerPrice);
// Initialize button transparency
updateTiredCatButtonAlpha();
updateNormalCatButtonAlpha();
updateWildCatButtonAlpha();
updateTigerButtonAlpha();
// Dragging variables
var isDragging = false;
var draggedTower = null;
var dragOffset = {
	x: 0,
	y: 0
};
// Sell UI variables
var sellUI = null;
var sellUITower = null;
// Tower selection for repositioning
var selectedTower = null;
function updateGoldDisplay() {
	goldText.setText('Gold: ' + gameGold);
	updateTiredCatButtonAlpha();
	updateNormalCatButtonAlpha();
	updateWildCatButtonAlpha();
	updateTigerButtonAlpha();
}
function updatePacketDisplay() {
	healthText.setText('Packet Health: ' + packetHealth);
}
function updateWaveDisplay() {
	waveText.setText('Wave: ' + waveNumber);
}
function showSellUI(tower) {
	// Remove existing sell UI
	if (sellUI) {
		sellUI.destroy();
		sellUI = null;
	}
	sellUITower = tower;
	sellUI = new Container();
	game.addChild(sellUI);
	// Position sell UI above tower
	sellUI.x = tower.x;
	sellUI.y = tower.y - 100;
	// Create sell button
	var sellButton = sellUI.attachAsset('sellButton', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Create sell price text
	var sellPrice = tower.getSellPrice();
	var sellText = new Text2('SELL\n' + sellPrice + 'g', {
		size: 24,
		fill: 0xFFFFFF
	});
	sellText.anchor.set(0.5, 0.5);
	sellText.x = 0;
	sellText.y = 0;
	sellUI.addChild(sellText);
	// Sell button click handler
	sellButton.down = function (x, y, obj) {
		sellTower(sellUITower);
	};
	// Auto-hide sell UI after 3 seconds
	LK.setTimeout(function () {
		if (sellUI) {
			sellUI.destroy();
			sellUI = null;
			sellUITower = null;
		}
	}, 3000);
}
function sellTower(tower) {
	// Give back gold (70% of original cost)
	var sellPrice = tower.getSellPrice();
	gameGold += sellPrice;
	updateGoldDisplay();
	LK.getSound('mouseHit').play();
	// No need to free placement spots since we're using free positioning
	// Remove tower from towers array
	var towerIndex = towers.indexOf(tower);
	if (towerIndex > -1) {
		towers.splice(towerIndex, 1);
	}
	// Destroy tower
	tower.destroy();
	// Hide sell UI
	if (sellUI) {
		sellUI.destroy();
		sellUI = null;
		sellUITower = null;
	}
}
// Tired cat button drag functionality
tiredCatButton.down = function (x, y, obj) {
	if (gameGold >= 50) {
		// Hide sell UI when starting to drag
		if (sellUI) {
			sellUI.destroy();
			sellUI = null;
			sellUITower = null;
		}
		isDragging = true;
		selectedTowerType = 'tired';
		// Create dragged tower preview
		draggedTower = new Tower('tired');
		draggedTower.alpha = 0.7;
		draggedTower.scaleX = 1.1;
		draggedTower.scaleY = 1.1;
		game.addChild(draggedTower);
		// Start dragging from button coordinates directly
		var buttonGlobalPos = tiredCatButton.parent.toGlobal(tiredCatButton.position);
		var buttonGamePos = game.toLocal(buttonGlobalPos);
		draggedTower.x = buttonGamePos.x;
		draggedTower.y = buttonGamePos.y;
		// Set drag offset to zero so tower follows cursor exactly
		dragOffset.x = 0;
		dragOffset.y = 0;
		// Button feedback - make it more pronounced for better visual feedback
		tween(tiredCatButton, {
			scaleX: 0.9,
			scaleY: 0.9,
			alpha: 0.8
		}, {
			duration: 150,
			onFinish: function onFinish() {
				tween(tiredCatButton, {
					scaleX: 0.8,
					scaleY: 0.8,
					alpha: 1
				}, {
					duration: 150
				});
			}
		});
	}
};
function updateTiredCatButtonAlpha() {
	if (gameGold >= 50) {
		tiredCatButton.alpha = 1;
		tiredCatPrice.alpha = 1;
	} else {
		tiredCatButton.alpha = 0.5;
		tiredCatPrice.alpha = 0.5;
	}
}
// Normal cat button drag functionality
normalCatButton.down = function (x, y, obj) {
	if (gameGold >= 250) {
		// Hide sell UI when starting to drag
		if (sellUI) {
			sellUI.destroy();
			sellUI = null;
			sellUITower = null;
		}
		isDragging = true;
		selectedTowerType = 'normal';
		// Create dragged tower preview
		draggedTower = new Tower('normal');
		draggedTower.alpha = 0.7;
		draggedTower.scaleX = 1.1;
		draggedTower.scaleY = 1.1;
		game.addChild(draggedTower);
		// Start dragging from button coordinates directly
		var buttonGlobalPos = normalCatButton.parent.toGlobal(normalCatButton.position);
		var buttonGamePos = game.toLocal(buttonGlobalPos);
		draggedTower.x = buttonGamePos.x;
		draggedTower.y = buttonGamePos.y;
		// Set drag offset to zero so tower follows cursor exactly
		dragOffset.x = 0;
		dragOffset.y = 0;
		// Button feedback - make it more pronounced for better visual feedback
		tween(normalCatButton, {
			scaleX: 0.7,
			scaleY: 0.7,
			alpha: 0.8
		}, {
			duration: 150,
			onFinish: function onFinish() {
				tween(normalCatButton, {
					scaleX: 0.6,
					scaleY: 0.6,
					alpha: 1
				}, {
					duration: 150
				});
			}
		});
	}
};
function updateNormalCatButtonAlpha() {
	if (gameGold >= 250) {
		normalCatButton.alpha = 1;
		normalCatPrice.alpha = 1;
	} else {
		normalCatButton.alpha = 0.5;
		normalCatPrice.alpha = 0.5;
	}
}
// Wild cat button drag functionality
wildCatButton.down = function (x, y, obj) {
	if (gameGold >= 300) {
		// Hide sell UI when starting to drag
		if (sellUI) {
			sellUI.destroy();
			sellUI = null;
			sellUITower = null;
		}
		isDragging = true;
		selectedTowerType = 'wild';
		// Create dragged tower preview
		draggedTower = new Tower('wild');
		draggedTower.alpha = 0.7;
		draggedTower.scaleX = 1.1;
		draggedTower.scaleY = 1.1;
		game.addChild(draggedTower);
		// Start dragging from button coordinates directly
		var buttonGlobalPos = wildCatButton.parent.toGlobal(wildCatButton.position);
		var buttonGamePos = game.toLocal(buttonGlobalPos);
		draggedTower.x = buttonGamePos.x;
		draggedTower.y = buttonGamePos.y;
		// Set drag offset to zero so tower follows cursor exactly
		dragOffset.x = 0;
		dragOffset.y = 0;
		// Button feedback - make it more pronounced for better visual feedback
		tween(wildCatButton, {
			scaleX: 0.8,
			scaleY: 0.8,
			alpha: 0.8
		}, {
			duration: 150,
			onFinish: function onFinish() {
				tween(wildCatButton, {
					scaleX: 0.7,
					scaleY: 0.7,
					alpha: 1
				}, {
					duration: 150
				});
			}
		});
	}
};
function updateWildCatButtonAlpha() {
	if (gameGold >= 300) {
		wildCatButton.alpha = 1;
		wildCatPrice.alpha = 1;
	} else {
		wildCatButton.alpha = 0.5;
		wildCatPrice.alpha = 0.5;
	}
}
// Tiger button drag functionality
tigerButton.down = function (x, y, obj) {
	if (gameGold >= 500) {
		// Hide sell UI when starting to drag
		if (sellUI) {
			sellUI.destroy();
			sellUI = null;
			sellUITower = null;
		}
		isDragging = true;
		selectedTowerType = 'tiger';
		// Create dragged tower preview
		draggedTower = new Tower('tiger');
		draggedTower.alpha = 0.7;
		draggedTower.scaleX = 1.1;
		draggedTower.scaleY = 1.1;
		game.addChild(draggedTower);
		// Start dragging from button coordinates directly
		var buttonGlobalPos = tigerButton.parent.toGlobal(tigerButton.position);
		var buttonGamePos = game.toLocal(buttonGlobalPos);
		draggedTower.x = buttonGamePos.x;
		draggedTower.y = buttonGamePos.y;
		// Set drag offset to zero so tower follows cursor exactly
		dragOffset.x = 0;
		dragOffset.y = 0;
		// Button feedback - make it more pronounced for better visual feedback
		tween(tigerButton, {
			scaleX: 0.6,
			scaleY: 0.6,
			alpha: 0.8
		}, {
			duration: 150,
			onFinish: function onFinish() {
				tween(tigerButton, {
					scaleX: 0.5,
					scaleY: 0.5,
					alpha: 1
				}, {
					duration: 150
				});
			}
		});
	}
};
function updateTigerButtonAlpha() {
	if (gameGold >= 500) {
		tigerButton.alpha = 1;
		tigerPrice.alpha = 1;
	} else {
		tigerButton.alpha = 0.5;
		tigerPrice.alpha = 0.5;
	}
}
// Game move handler for dragging
game.move = function (x, y, obj) {
	if (isDragging && draggedTower) {
		draggedTower.x = x;
		draggedTower.y = y;
		// Check if current position is valid for placement
		var isValidPosition = isValidPlacementPosition(x, y);
		// Tint tower based on placement validity
		if (isValidPosition) {
			draggedTower.tint = 0x00ff00; // Green tint for valid placement
		} else if (selectedTower === draggedTower) {
			draggedTower.tint = 0x00ffff; // Keep cyan tint for selected tower being repositioned
		} else {
			draggedTower.tint = 0xff0000; // Red tint for invalid placement
		}
	}
};
// Game up handler for tower placement
game.up = function (x, y, obj) {
	if (isDragging && draggedTower) {
		// Check if current position is valid for placement
		var isValidPosition = isValidPlacementPosition(x, y);
		// Check if this is a repositioning of an existing tower
		var isRepositioning = selectedTower === draggedTower;
		var towerCost = isRepositioning ? 0 : draggedTower.cost;
		if (isValidPosition && gameGold >= towerCost) {
			// Place or reposition tower at current position
			if (!isRepositioning) {
				gameGold -= towerCost;
				updateGoldDisplay();
				towers.push(draggedTower);
			}
			// Keep tower at current dragged position
			draggedTower.alpha = 1;
			draggedTower.scaleX = 1;
			draggedTower.scaleY = 1;
			draggedTower.tint = 0xffffff; // Reset tint
			if (!isRepositioning) {
				LK.getSound('shoot').play();
			}
		} else if (isRepositioning) {
			// If repositioning failed, keep tower at its current position but remove selection
			draggedTower.tint = 0xffffff;
		} else {
			// Remove dragged tower if placement failed
			draggedTower.destroy();
		}
		// Reset dragging and selection state
		isDragging = false;
		draggedTower = null;
		if (selectedTower) {
			selectedTower = null;
		}
	}
};
// Start background music
LK.playMusic('bgMusic');
game.update = function () {
	// Don't spawn mice until game starts (start button clicked)
	if (!gameStarted) {
		return; // Don't spawn mice until game starts
	}
	// Handle pause after wave 3
	if (isPaused) {
		pauseTimer++;
		if (pauseTimer >= 600) {
			// 10 seconds at 60fps
			isPaused = false;
			// Remove pause text
			if (pauseText) {
				pauseText.destroy();
				pauseText = null;
			}
			// Show wave start text
			var waveStartText = new Text2('Wave ' + waveNumber + ' - START!', {
				size: 80,
				fill: 0xFFFF00
			});
			waveStartText.anchor.set(0.5, 0.5);
			waveStartText.x = 0;
			waveStartText.y = 0;
			LK.gui.center.addChild(waveStartText);
			tween(waveStartText, {
				alpha: 0
			}, {
				duration: 2000,
				onFinish: function onFinish() {
					waveStartText.destroy();
				}
			});
		}
		return; // Don't spawn enemies during pause
	}
	// Spawn mice
	spawnTimer++;
	if (spawnTimer >= spawnRate && miceSpawned < maxMicePerWave) {
		var mouse = new Mouse();
		mouse.x = gamePath[0].x + (Math.random() - 0.5) * 200;
		mouse.y = gamePath[0].y + (Math.random() - 0.5) * 100;
		mouse.health = 150 + waveNumber * 40; // Increased base health and scaling
		mouse.maxHealth = mouse.health;
		mouse.speed = mouse.speed * 1.3; // Make mice 30% faster
		mouse.updateHealthBar();
		mice.push(mouse);
		game.addChild(mouse);
		miceSpawned++;
		spawnTimer = 0;
	}
	// Spawn rats (only after wave 3)
	if (waveNumber > 3) {
		ratSpawnTimer++;
		if (ratSpawnTimer >= ratSpawnRate && ratsSpawned < maxRatsPerWave) {
			var rat = new Rat();
			rat.x = gamePath[0].x + (Math.random() - 0.5) * 200;
			rat.y = gamePath[0].y + (Math.random() - 0.5) * 100;
			rat.health = 300 + waveNumber * 75; // Increased base health and scaling
			rat.maxHealth = rat.health;
			rat.speed = rat.speed * 1.4; // Make rats 40% faster
			rat.updateHealthBar();
			rats.push(rat);
			game.addChild(rat);
			ratsSpawned++;
			ratSpawnTimer = 0;
		}
	}
	// Check if wave is complete
	if (miceSpawned >= maxMicePerWave && ratsSpawned >= maxRatsPerWave && mice.length === 0 && rats.length === 0) {
		// Check if wave 3 just completed
		if (waveNumber === 3) {
			isPaused = true;
			pauseTimer = 0;
			// Create pause text
			pauseText = new Text2('Rats incoming in 10 seconds!', {
				size: 80,
				fill: 0xFFFF00
			});
			pauseText.anchor.set(0.5, 0.5);
			pauseText.x = 0;
			pauseText.y = 0;
			LK.gui.center.addChild(pauseText);
			// Flash effect
			tween(pauseText, {
				alpha: 0.3
			}, {
				duration: 500,
				easing: tween.easeInOut,
				onFinish: function onFinish() {
					tween(pauseText, {
						alpha: 1
					}, {
						duration: 500,
						easing: tween.easeInOut
					});
				}
			});
		}
		waveNumber++;
		miceSpawned = 0;
		ratsSpawned = 0;
		maxMicePerWave += 2;
		// Start spawning rats after wave 3
		if (waveNumber > 3) {
			maxRatsPerWave = Math.max(1, waveNumber - 3);
		}
		spawnRate = Math.max(45, spawnRate - 8); // Faster decrease, lower minimum
		ratSpawnRate = Math.max(90, ratSpawnRate - 15); // Faster decrease, lower minimum
		updateWaveDisplay();
	}
	// Update all game objects
	for (var i = mice.length - 1; i >= 0; i--) {
		if (mice[i].parent) {
			mice[i].update();
		}
	}
	for (var i = rats.length - 1; i >= 0; i--) {
		if (rats[i].parent) {
			rats[i].update();
		}
	}
	for (var i = towers.length - 1; i >= 0; i--) {
		if (towers[i].parent) {
			towers[i].update();
		}
	}
};

===================================================================
--- original.js
+++ change.js
@@ -755,12 +755,13 @@
 		draggedTower.alpha = 0.7;
 		draggedTower.scaleX = 1.1;
 		draggedTower.scaleY = 1.1;
 		game.addChild(draggedTower);
-		// Convert button position to game coordinates and start dragging from button
-		var buttonWorldPos = game.toLocal(tiredCatButton.parent.toGlobal(tiredCatButton.position));
-		draggedTower.x = buttonWorldPos.x;
-		draggedTower.y = buttonWorldPos.y;
+		// Start dragging from button coordinates directly
+		var buttonGlobalPos = tiredCatButton.parent.toGlobal(tiredCatButton.position);
+		var buttonGamePos = game.toLocal(buttonGlobalPos);
+		draggedTower.x = buttonGamePos.x;
+		draggedTower.y = buttonGamePos.y;
 		// Set drag offset to zero so tower follows cursor exactly
 		dragOffset.x = 0;
 		dragOffset.y = 0;
 		// Button feedback - make it more pronounced for better visual feedback
@@ -807,12 +808,13 @@
 		draggedTower.alpha = 0.7;
 		draggedTower.scaleX = 1.1;
 		draggedTower.scaleY = 1.1;
 		game.addChild(draggedTower);
-		// Convert button position to game coordinates and start dragging from button
-		var buttonWorldPos = game.toLocal(normalCatButton.parent.toGlobal(normalCatButton.position));
-		draggedTower.x = buttonWorldPos.x;
-		draggedTower.y = buttonWorldPos.y;
+		// Start dragging from button coordinates directly
+		var buttonGlobalPos = normalCatButton.parent.toGlobal(normalCatButton.position);
+		var buttonGamePos = game.toLocal(buttonGlobalPos);
+		draggedTower.x = buttonGamePos.x;
+		draggedTower.y = buttonGamePos.y;
 		// Set drag offset to zero so tower follows cursor exactly
 		dragOffset.x = 0;
 		dragOffset.y = 0;
 		// Button feedback - make it more pronounced for better visual feedback
@@ -859,12 +861,13 @@
 		draggedTower.alpha = 0.7;
 		draggedTower.scaleX = 1.1;
 		draggedTower.scaleY = 1.1;
 		game.addChild(draggedTower);
-		// Convert button position to game coordinates and start dragging from button
-		var buttonWorldPos = game.toLocal(wildCatButton.parent.toGlobal(wildCatButton.position));
-		draggedTower.x = buttonWorldPos.x;
-		draggedTower.y = buttonWorldPos.y;
+		// Start dragging from button coordinates directly
+		var buttonGlobalPos = wildCatButton.parent.toGlobal(wildCatButton.position);
+		var buttonGamePos = game.toLocal(buttonGlobalPos);
+		draggedTower.x = buttonGamePos.x;
+		draggedTower.y = buttonGamePos.y;
 		// Set drag offset to zero so tower follows cursor exactly
 		dragOffset.x = 0;
 		dragOffset.y = 0;
 		// Button feedback - make it more pronounced for better visual feedback
@@ -911,12 +914,13 @@
 		draggedTower.alpha = 0.7;
 		draggedTower.scaleX = 1.1;
 		draggedTower.scaleY = 1.1;
 		game.addChild(draggedTower);
-		// Convert button position to game coordinates and start dragging from button
-		var buttonWorldPos = game.toLocal(tigerButton.parent.toGlobal(tigerButton.position));
-		draggedTower.x = buttonWorldPos.x;
-		draggedTower.y = buttonWorldPos.y;
+		// Start dragging from button coordinates directly
+		var buttonGlobalPos = tigerButton.parent.toGlobal(tigerButton.position);
+		var buttonGamePos = game.toLocal(buttonGlobalPos);
+		draggedTower.x = buttonGamePos.x;
+		draggedTower.y = buttonGamePos.y;
 		// Set drag offset to zero so tower follows cursor exactly
 		dragOffset.x = 0;
 		dragOffset.y = 0;
 		// Button feedback - make it more pronounced for better visual feedback